# APEX float data from float 8146 (PI: Angelicque White, University of Hawaii) deployed during the Grandients 4 cruise (TN397) in Nov 2021 at ~20N/140W (float is still transmitting data) # Designed float mission: a repeated sequence of burst sampling (~6 profiles/day) of the top 200m for ~ 4-7 days, followed by daily profiles for ~10-14 days # DATA ARE PROVISIONAL AND WILL BE ALTERED AS MORE PROFILES ARE ADDED (eg. drift correction of sensors will likely be performed in the near future) # For questions about float data, please inquire Fernanda Henderikx (fhenderi@hawaii.edu) # date of file creation: 15-Aug-2022 11:06:00 # original profile science log name: f8146.090.20220125T175558.science.mat # profile date(gmt): 25-Jan-2022 11:28:17 # profile lat: 19.9979 # profile lon: -135.9019 # profile number: 090 # Instruments on APEX: SBE41 (ctd), BBFL2 (chl,bbp), C-ROVER (beam attenuation), CRV2K (downwelling irradiance), Aandera 4330 (oxygen) # Applied corrections/calibrations: # chl: counts converted to mg/m3 using factory calibrationsand deep chl values # bbp: vol. scatt. converted to particle backsttering coefficient (bbp) using betasw of Zhang et al (2009) and Xi from Boss and Pegau (2001) # irradiance data: data were qa/qc following protocols of Organelli et al (2016), JTECH # oxygen optode data: salinity and pressure compensation corrections applied using ctd data according to Aandera manual, and air calibrations/Gain corrections following Bushinsky et al (2016) # flag or NaN value: -999 # pressure,temperature,salinity,sigma0,chl,bbp(650nm),[O2],O2sat,particulateBeamAttenuation(650nm),IrradianceCh1,IrradianceCh2,IrradianceCh3,IrradianceCh4 # dbar,degC,psu,kg/m3,mg/m3,1/m,uM/kg,percentsat,1/m,uW/cm2/nm,uW/cm2/nm,uW/cm2/nm,uW/cm2/nm 4.39000 23.99260 34.17000 23.01847 0.24870 0.00079 212.35123 100.57621 0.04927 -999.00000 -999.00000 -999.00000 -999.00000 9.70000 23.99540 34.16830 23.01668 0.21780 0.00075 211.97808 100.40763 0.04779 -999.00000 -999.00000 -999.00000 -999.00000 14.90000 24.00850 34.16710 23.01222 0.23684 0.00074 212.04884 100.34669 0.04595 -999.00000 -999.00000 -999.00000 -999.00000 19.78000 23.85090 34.16990 23.06111 0.26620 0.00058 212.71711 100.47202 0.04514 -999.00000 -999.00000 -999.00000 -999.00000 24.46000 23.80300 34.18950 23.09033 0.24826 0.00063 212.82531 100.47718 0.04427 -999.00000 -999.00000 -999.00000 -999.00000 29.64000 23.79910 34.22720 23.12033 0.24086 0.00071 212.72304 100.43852 0.05108 -999.00000 -999.00000 -999.00000 -999.00000 33.59000 23.79010 34.23490 23.12904 0.25892 0.00067 212.71318 100.44133 0.04662 -999.00000 -999.00000 -999.00000 -999.00000 39.71000 23.80130 34.24590 23.13445 0.26087 0.00058 212.72870 100.41422 0.04441 -999.00000 -999.00000 -999.00000 -999.00000 44.43000 23.76280 34.25030 23.14938 0.30776 0.00058 213.62716 100.47057 0.04608 -999.00000 -999.00000 -999.00000 -999.00000 49.56000 23.30400 34.26510 23.29474 0.35863 0.00063 215.48546 100.76809 0.04370 -999.00000 -999.00000 -999.00000 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